In photojournalism, good hardware can go a long way in helping you capture high-quality images, but someone who can properly use a cellphone camera is just as likely to take great photos as a novice equipped with a top-of-the-line DSLR. Knowing whether you're trying to capture spot news or shooting a photo essay is only half the battle: You also need to know how to use different cameras and which tool is appropriate for which situation.